html,body{
    width: 100%;
}
.integral-change-wrap {
    position: relative;
    margin: 80px auto;
    width: 700px;
    height: 400px;
    overflow: hidden;
    border: 1px solid #b4b4b4;
    -webkit-border-radius: 10px;
    -moz-border-radius: 10px;
    border-radius: 10px;
    padding: 50px;
    -webkit-box-shadow: 0 0 1px 1px #b4b4b4;
    -moz-box-shadow: 0 0 1px 1px #b4b4b4;
    box-shadow: 0 0 1px 1px #b4b4b4;
}

.close {
    position: absolute;
    right: 0;
    top: 0;
    width: 40px;
    height: 40px;
    text-align: center;
    line-height: 40px;
    cursor: pointer;
}
.close:hover {
    background-color: #b4b4b4;
    -webkit-border-radius: 0 10px 0 10px;
    -moz-border-radius: 0 10px 0 10px;
    border-radius: 0 10px 0 10px;
}

table {
    width: 600px;
    margin: 0 auto;
    -webkit-border-radius: 2px;
    -moz-border-radius: 2px;
    border-radius: 2px;
    border: 1px solid #b4b4b4;
}

table caption {
    font:bold 30px/50px "simhei";
    text-align: center;
}
table thead {
    width: calc(100 - 1em - 1px);
}
table thead th {
    text-align: center;
    height: 40px;
    font:bold 23px/40px "simhei";
    border: 2px solid #b4b4b4;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}
table tbody {
    display: block;
    height: 300px;
    overflow-y: scroll;
    background-color: rgba(141, 215, 245, 0.35);
}
table thead,tbody tr {
    display: table;
    width: 100%;
    table-layout: fixed;
}
table tbody tr td {
    padding-left: 30px;
    height: 35px;
    font: 20px/35px "simhei";
}
table tr:hover {
    background-color: skyblue;
    cursor: pointer;
    height: 33px;
}
